use latest value

.github/workflows/PMM_PS.yaml

@@ -24,19 +24,29 @@ jobs:
     runs-on: ubuntu-20.04
     timeout-minutes: 20
     env:
-      PS_VERSION: ${{ github.event.inputs.ps_version || '8.0.32-24' }}
       PS_GLIBC: ${{ github.event.inputs.ps_glibc || '2.28' }}
       PMM_IMAGE: ${{ github.event.inputs.pmm_image || 'perconalab/pmm-server:dev-latest' }}
 
     steps:
     - uses: actions/checkout@v2
 
+    - name: PS_VERSION ENV Setup
+      run: |
+        if [[ -n "${{ github.event.inputs.ps_version }}" ]]; then
+          PS_VERSION="${{ github.event.inputs.ps_version }}"
+        else
+          wget https://raw.githubusercontent.com/Percona-QA/package-testing/master/VERSIONS
+          PS_VERSION="$(grep 'PS80_VER' VERSIONS | cut -d = -f 2)"
+        fi
+        echo "PS_VERSION=${PS_VERSION}" >> $GITHUB_ENV
+
     - name: Concatenate values to environment file
       run: |
         echo "PS_TARBALL_PATH=https://downloads.percona.com/downloads/TESTING/ps-${{env.PS_VERSION}}/Percona-Server-${{env.PS_VERSION}}-Linux.x86_64.glibc${{env.PS_GLIBC}}.tar.gz}}" >> $GITHUB_ENV
         echo "PMM_QA_REPO_URL=https://github.com/percona/pmm-qa/" >> $GITHUB_ENV
         echo "PMM_QA_REPO_BRANCH=main" >> $GITHUB_ENV
 
+
     - name: Check environment variable is available
       run: |
         echo "${{ env.PS_TARBALL_PATH }}"